125429476653 has 24 divisors (see below), whose sum is σ = 206589729528. Its totient is φ = 72646935552.

The previous prime is 125429476649. The next prime is 125429476663. The reversal of 125429476653 is 356674924521.

It is a happy number.

125429476653 is a `hidden beast` number, since 1 + 2 + 542 + 9 + 47 + 6 + 6 + 53 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 53869481604 + 71559995049 = 232098^2 + 267507^2 .

It is not a de Polignac number, because 125429476653 - 2² = 125429476649 is a prime.

It is a super-2 number, since 2×125429476653² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 125429476653.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125429476663) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 31528800 + ... + 31532777.

It is an arithmetic number, because the mean of its divisors is an integer number (8607905397).

Almost surely, 2^125429476653 is an apocalyptic number.

125429476653 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

125429476653 is a deficient number, since it is larger than the sum of its proper divisors (81160252875).

125429476653 is a wasteful number, since it uses less digits than its factorization.

125429476653 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63061613 (or 63061610 counting only the distinct ones).

The product of its digits is 10886400, while the sum is 54.

The spelling of 125429476653 in words is "one hundred twenty-five billion, four hundred twenty-nine million, four hundred seventy-six thousand, six hundred fifty-three".